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Title: Effects of variable tire pressure on road surfacings. Volume I, Design, construction, behavior under traffic, and test results
Authors: Technology & Development Center (San Dimas, Calif.)
Grau, Robert W. (Robert Walter)
Keywords: Aggregate
Asphalt concrete
Central tire inflation
Native material
Road surfacings
Traffic tests
Variable tire pressures
Gravel roads
Inflation pressure
Publisher: Geotechnical Laboratory (U.S.)
Engineer Research and Development Center (U.S.)
Series/Report no.: Technical report (U.S. Army Engineer Waterways Experiment Station) ; GL-93-20 v. 1.
Description: Technical Report
Abstract: The objective of this study was to determine the effects of variable tire pressure on road surfacings. A specially designed test road was constructed and subjected to both loaded and unloaded 18-wheeled log trucks operating in two distinct traffic lanes. The traffic was applied with the trucks operating at low- and high-tire pressures. This report presents the background, design. construction procedure, and discussion of the performance of the various items dunng traffic. The results show that (a) when failures occurred in both lanes of the same asphalt concrete item, the ratio of low-tire-pressure traffic to high-tire-pressure traffic ranged berween 1.5 and 21. (b) considerable maintenance will be required on aggregate-surfaced grades receiving high-tire-pressure unloaded traffic because of severe washboarding. (c) the installation of central tire inflation systems that allow a driver to adjust a vehicle's tire pressure while in motion will be cost-effective for heavy trucks traveling on low volume, low-speed roads.
Rights: Approved for public release; distribution is unlimited.
Appears in Collections:Technical Report

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